/Engine/Plugins/Experimental/AVCodecs/AVCodecsCore/Source/AVCodecsCore/Public/AVResult.h
returnFAVResult(EAVResult::ErrorInvalidState, TEXT("Decoder is not open")); /**
*return FAVResult ( [EAVResult::ErrorCreating](API\Plugins\AVCodecsCore\EAVResult), TEXT("Could not create encoder"), TEXT("NVENC"), NvencErrorCode )